Finding the Fourth Proportional to 38,868.93, 58,307.56 and 10,789.10

Step by Step Solution

1. Step 1: Write the proportion equation
   38,868.93 : 58,307.56 = 10,789.10 : x
2. Step 2: Convert to fraction form
   38,868.93/58,307.56 = 10,789.10/x
3. Step 3: Cross multiply
   38,868.93x = 58,307.56 × 10,789.10
4. Step 4: Simplify right side
   38,868.93x = 629,086,011.95
5. Step 5: Solve for x
   x = 629,086,011.95/38,868.93
6. Step 6: Final answer
   x = 16,184.81